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Quality comes first; service is foremost; business is cooperation" is our business philosophy which is constantly observed and pursued by our company for BDV Tester,Oil BDV Tester, Welcome your visiting and any your inquires,sincerely hope we can have chance to cooperate with you and we can build up long well business relationship with you.
BDV Tester, To create more creative products and solutions, maintain high-quality goods and update not only our products and solutions but ourselves so as to keep us ahead of the world, and the last but most vital one: to make every client satisfied with everything we present and to grow stronger together. To be the real winner, starts here!

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  • Tan Delta Test of Transformer

    Tan Delta Test of Transformer

    Transformer automatic anti-interference precision dielectric loss tester for Weshine® Tan Delta Test of Transformer with CE certificate, high quality and accrucy, Invented and produced according to national standards, complete electric testing solution available. Contact us for more details of Winding Resistance Test of Transformer from Weshine!
  • Transformer Turns Ratio Calculation

    Transformer Turns Ratio Calculation

    Weshine® invented the Turns Ratio Tester for testing Transformer Turns Ratio Calculation with CE certificate, high quality and accuracy, Invented and produced according to national standards, complete electric testing solution available. Contact us for more details of Turns Ratio Tester for testing Transformer Turns Ratio Calculation from Weshine!
  • Karl Fischer Moisture

    Karl Fischer Moisture

    Karl Fischer Moisture is a classical titration method in chemical analysis. It uses coulometric titration or volumetric titration to determine trace water in samples. It was invented by German chemist Karl Fisher in 1935. Today, the titration is done with Karl Fischer automatic titrator. Weshine® The developed Karl Fischer Moisture (KF titrator) introduces the reliable performance, simple operation and space saving design of the compact KF coulometer. The accurate result is 1 ppm to 5% water. Each user can have up to 4 shortcuts + 5 analysis methods. With the Weshine® Karl Fischer Moisture, the operator can conduct moisture measurement by pressing the button! Contact us for more details on winding resistance testing of Weshine Karl Fischer Moisture.
  • Instrument of Gas Chromatography

    Instrument of Gas Chromatography

    Weshine® is New Brand and Fast rising in the Electric Area.Relying on High-Quality product and Efficient after-sales service to win the trust of the customers.Weshine is your trusted manufacturer and supplier in China.Our Instrument of Gas Chromatography can help you to do the gas analysis works very well,especially the after-sales service is Excellent.Looking forward to have a good and long partnership with you.
  • Protection Relay Testing

    Protection Relay Testing

    Given the different functional requirements of grid protection systems, testing capabilities require a higher level of sophisticated testing hardware and software to analyze the operation of the entire protection system (or individual protection components) under "real life" situations. Similar improvements in simplifying the user interface and software control of test instruments are further necessary to meet these expanding test capabilities. Rest assured, no matter how complex, every aspect of relay testing can be easily handled with Weshine®'s comprehensive line of Protection Relay Testing (VS-JB900 series). Plus, whether you're testing traditional electromechanical relays or modern IEC 61850 networked devices, our rugged products deliver the high power you need while still being portable for practical testing.
  • Breakdown Strength of Transformer Oil

    Breakdown Strength of Transformer Oil

    Weshine® Oil Dielectric Strength Tester follows Breakdown Strength of Transformer Oil with CE certificate, high quality and accuracy, Invented and produced according to national standards, complete electric testing solution available. Contact us for more details of Oil Dielectric Strength Tester from Weshine!
  • Related Blog
  • Reviews

  • How to judge transformer fault casting by transformer oil

    Common faults that can easily occur in transformers can be divided into two categories: common faults for charging and common faults for heat. From the development process

  • What is the open circuit voltage test?

    ​A measurement method called the open circuit voltage test is used to find the voltage that a transformer produces across its terminals when there is no load on it. There is no electricity flowing through the transformer during this test since the secondary winding is left open. Next, a voltage source equal to the transformer's rated voltage energizes the primary winding.

  • Why power frequency AC withstand voltage test?

    The power frequency AC withstand voltage test(AC hipot test) is to apply a certain voltage to the test object and maintain it for a certain period of time, in order to consider the insulation capacity of the test object to withstand various voltages and ensure the operation of the equipment.

  • Inspection and identification methods for transformer on-load tap changer (OLTC) faults

    According to statistics, the faults of the on-load voltage regulating switch of the transformer mainly include two aspects: First, the failure of the voltage regulating switch driving mechanism, mainly including the linkage of the electric mechanism, water intrusion into the box, oil leakage from the gear box, insufficient spring energy storage, etc. The second is the failure of the switch body, which mainly includes oil leakage from the oil chamber, loose fasteners, stuck contact motion, and poor contact caused by contact wear. The common fault types of on-load voltage regulating switches are listed and analyzed below.

  • Different measurement methods for DC resistance testers

  • Development status and trends of integrated substation automation

    The substation is an indispensable and important link in the power system. It is responsible for the heavy tasks of power conversion and power redistribution, and plays a decisive role in the economic operation of the power grid. In order to improve the stable operation level of substations, reduce operation and maintenance costs, improve economic benefits, and provide high-quality electric energy services to users, comprehensive automation technology for substations has begun to emerge and has been widely used.

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